diff --git a/core/lib/Drupal/Core/Entity/Entity.php b/core/lib/Drupal/Core/Entity/Entity.php
index 6d41d13..280f5c5 100644
--- a/core/lib/Drupal/Core/Entity/Entity.php
+++ b/core/lib/Drupal/Core/Entity/Entity.php
@@ -352,7 +352,7 @@ public function access($operation = 'view', AccountInterface $account = NULL) {
     }
     return \Drupal::entityManager()
       ->getAccessController($this->entityType)
-      ->access($this, $operation, Language::LANGCODE_DEFAULT, $account);
+      ->access($this, $operation, $account);
   }
 
   /**
diff --git a/core/lib/Drupal/Core/Entity/EntityAccessController.php b/core/lib/Drupal/Core/Entity/EntityAccessController.php
index 5583aec..4bef2f1 100644
--- a/core/lib/Drupal/Core/Entity/EntityAccessController.php
+++ b/core/lib/Drupal/Core/Entity/EntityAccessController.php
@@ -50,8 +50,9 @@ public function __construct($entity_type) {
   /**
    * {@inheritdoc}
    */
-  public function access(EntityInterface $entity, $operation, $langcode = Language::LANGCODE_DEFAULT, AccountInterface $account = NULL) {
+  public function access(EntityInterface $entity, $operation, AccountInterface $account = NULL) {
     $account = $this->prepareUser($account);
+    $langcode = $entity->language()->id;
 
     if (($access = $this->getCache($entity->uuid(), $operation, $langcode, $account)) !== NULL) {
       // Cache hit, no work necessary.
@@ -68,14 +69,14 @@ public function access(EntityInterface $entity, $operation, $langcode = Language
     // - No modules say to deny access.
     // - At least one module says to grant access.
     $access = array_merge(
-      $this->moduleHandler->invokeAll('entity_access', array($entity, $operation, $account, $langcode)),
-      $this->moduleHandler->invokeAll($entity->entityType() . '_access', array($entity, $operation, $account, $langcode))
+      $this->moduleHandler->invokeAll('entity_access', array($entity, $operation, $account)),
+      $this->moduleHandler->invokeAll($entity->entityType() . '_access', array($entity, $operation, $account))
     );
 
     if (($return = $this->processAccessHookResults($access)) === NULL) {
       // No module had an opinion about the access, so let's the access
       // controller check create access.
-      $return = (bool) $this->checkAccess($entity, $operation, $langcode, $account);
+      $return = (bool) $this->checkAccess($entity, $operation, $account);
     }
     return $this->setCache($return, $entity->uuid(), $operation, $langcode, $account);
   }
@@ -115,8 +116,6 @@ protected function processAccessHookResults(array $access) {
    * @param string $operation
    *   The entity operation. Usually one of 'view', 'update', 'create' or
    *   'delete'.
-   * @param string $langcode
-   *   The language code for which to check access.
    * @param \Drupal\Core\Session\AccountInterface $account
    *   The user for which to check access.
    *
@@ -124,7 +123,7 @@ protected function processAccessHookResults(array $access) {
    *   TRUE if access was granted, FALSE if access was denied and NULL if access
    *   could not be determined.
    */
-  protected function checkAccess(EntityInterface $entity, $operation, $langcode, AccountInterface $account) {
+  protected function checkAccess(EntityInterface $entity, $operation, AccountInterface $account) {
     return NULL;
   }
 
diff --git a/core/lib/Drupal/Core/Entity/EntityAccessControllerInterface.php b/core/lib/Drupal/Core/Entity/EntityAccessControllerInterface.php
index 749b9a0..e1e6a9c 100644
--- a/core/lib/Drupal/Core/Entity/EntityAccessControllerInterface.php
+++ b/core/lib/Drupal/Core/Entity/EntityAccessControllerInterface.php
@@ -8,7 +8,6 @@
 namespace Drupal\Core\Entity;
 
 use Drupal\Core\Extension\ModuleHandlerInterface;
-use Drupal\Core\Language\Language;
 use Drupal\Core\Session\AccountInterface;
 
 /**
@@ -27,9 +26,6 @@
    * @param string $operation
    *   The operation access should be checked for.
    *   Usually one of "view", "update" or "delete".
-   * @param string $langcode
-   *   (optional) The language code for which to check access. Defaults to
-   *   Language::LANGCODE_DEFAULT.
    * @param \Drupal\Core\Session\AccountInterface $account
    *   (optional) The user session for which to check access, or NULL to check
    *   access for the current user. Defaults to NULL.
@@ -37,7 +33,7 @@
    * @return bool
    *   TRUE if access was granted, FALSE otherwise.
    */
-  public function access(EntityInterface $entity, $operation, $langcode = Language::LANGCODE_DEFAULT, AccountInterface $account = NULL);
+  public function access(EntityInterface $entity, $operation, AccountInterface $account = NULL);
 
   /**
    * Checks access to create an entity.
diff --git a/core/lib/Drupal/Core/Entity/EntityNG.php b/core/lib/Drupal/Core/Entity/EntityNG.php
index 49fa3a0..282068a 100644
--- a/core/lib/Drupal/Core/Entity/EntityNG.php
+++ b/core/lib/Drupal/Core/Entity/EntityNG.php
@@ -352,7 +352,7 @@ public function access($operation = 'view', AccountInterface $account = NULL) {
     }
     return \Drupal::entityManager()
       ->getAccessController($this->entityType)
-      ->access($this, $operation, $this->activeLangcode, $account);
+      ->access($this, $operation, $account);
   }
 
   /**
diff --git a/core/modules/action/lib/Drupal/action/ActionAccessController.php b/core/modules/action/lib/Drupal/action/ActionAccessController.php
index d94edd3..90975ef 100644
--- a/core/modules/action/lib/Drupal/action/ActionAccessController.php
+++ b/core/modules/action/lib/Drupal/action/ActionAccessController.php
@@ -9,7 +9,6 @@
 
 use Drupal\Core\Entity\EntityAccessController;
 use Drupal\Core\Entity\EntityInterface;
-use Drupal\Core\Language\Language;
 use Drupal\Core\Session\AccountInterface;
 
 class ActionAccessController extends EntityAccessController {
@@ -17,7 +16,7 @@ class ActionAccessController extends EntityAccessController {
   /**
    * {@inheritdoc}
    */
-  public function access(EntityInterface $entity, $operation, $langcode = Language::LANGCODE_DEFAULT, AccountInterface $account = NULL) {
+  public function access(EntityInterface $entity, $operation, AccountInterface $account = NULL) {
     return user_access('administer actions', $account);
   }
 
diff --git a/core/modules/block/block.api.php b/core/modules/block/block.api.php
index aa915a3..a2ab941 100644
--- a/core/modules/block/block.api.php
+++ b/core/modules/block/block.api.php
@@ -80,8 +80,6 @@ function hook_block_view_BASE_BLOCK_ID_alter(array &$build, \Drupal\block\BlockP
  *   The operation to be performed, e.g., 'view', 'create', 'delete', 'update'.
  * @param \Drupal\user\Entity\User $account
  *   The user object to perform the access check operation on.
- * @param string $langcode
- *   The language code to perform the access check operation on.
  *
  * @return bool|NULL
  *   FALSE denies access. TRUE allows access unless another module returns
@@ -91,7 +89,7 @@ function hook_block_view_BASE_BLOCK_ID_alter(array &$build, \Drupal\block\BlockP
  * @see \Drupal\Core\Entity\EntityAccessController::access()
  * @see \Drupal\block\BlockAccessController::checkAccess()
  */
-function hook_block_access(\Drupal\block\Entity\Block $block, $operation, \Drupal\user\Entity\User $account, $langcode) {
+function hook_block_access(\Drupal\block\Entity\Block $block, $operation, \Drupal\user\Entity\User $account) {
   // Example code that would prevent displaying the 'Powered by Drupal' block in
   // a region different than the footer.
   if ($operation == 'view' && $block->get('plugin') == 'system_powered_by_block' && $block->get('region') != 'footer') {
diff --git a/core/modules/block/custom_block/lib/Drupal/custom_block/CustomBlockAccessController.php b/core/modules/block/custom_block/lib/Drupal/custom_block/CustomBlockAccessController.php
index 9990a2e..01e148f 100644
--- a/core/modules/block/custom_block/lib/Drupal/custom_block/CustomBlockAccessController.php
+++ b/core/modules/block/custom_block/lib/Drupal/custom_block/CustomBlockAccessController.php
@@ -19,7 +19,7 @@ class CustomBlockAccessController extends EntityAccessController {
   /**
    * {@inheritdoc}
    */
-  protected function checkAccess(EntityInterface $entity, $operation, $langcode, AccountInterface $account) {
+  protected function checkAccess(EntityInterface $entity, $operation, AccountInterface $account) {
     if ($operation === 'view') {
       return TRUE;
     }
diff --git a/core/modules/block/custom_block/lib/Drupal/custom_block/CustomBlockTypeAccessController.php b/core/modules/block/custom_block/lib/Drupal/custom_block/CustomBlockTypeAccessController.php
index 95b74ac..9a6a3e0 100644
--- a/core/modules/block/custom_block/lib/Drupal/custom_block/CustomBlockTypeAccessController.php
+++ b/core/modules/block/custom_block/lib/Drupal/custom_block/CustomBlockTypeAccessController.php
@@ -19,7 +19,7 @@ class CustomBlockTypeAccessController extends EntityAccessController {
   /**
    * {@inheritdoc}
    */
-  protected function checkAccess(EntityInterface $entity, $operation, $langcode, AccountInterface $account) {
+  protected function checkAccess(EntityInterface $entity, $operation, AccountInterface $account) {
     if ($operation === 'view') {
       return TRUE;
     }
diff --git a/core/modules/block/lib/Drupal/block/BlockAccessController.php b/core/modules/block/lib/Drupal/block/BlockAccessController.php
index 7c61bc6..3a6b2bf 100644
--- a/core/modules/block/lib/Drupal/block/BlockAccessController.php
+++ b/core/modules/block/lib/Drupal/block/BlockAccessController.php
@@ -53,7 +53,7 @@ public static function createInstance(ContainerInterface $container, $entity_typ
   /**
    * {@inheritdoc}
    */
-  protected function checkAccess(EntityInterface $entity, $operation, $langcode, AccountInterface $account) {
+  protected function checkAccess(EntityInterface $entity, $operation, AccountInterface $account) {
     if ($operation != 'view') {
       return user_access('administer blocks', $account);
     }
diff --git a/core/modules/comment/lib/Drupal/comment/CommentAccessController.php b/core/modules/comment/lib/Drupal/comment/CommentAccessController.php
index 800991f..c72f580 100644
--- a/core/modules/comment/lib/Drupal/comment/CommentAccessController.php
+++ b/core/modules/comment/lib/Drupal/comment/CommentAccessController.php
@@ -21,7 +21,7 @@ class CommentAccessController extends EntityAccessController {
   /**
    * {@inheritdoc}
    */
-  protected function checkAccess(EntityInterface $entity, $operation, $langcode, AccountInterface $account) {
+  protected function checkAccess(EntityInterface $entity, $operation, AccountInterface $account) {
     switch ($operation) {
       case 'view':
         return user_access('access comments', $account);
diff --git a/core/modules/config/tests/config_test/lib/Drupal/config_test/ConfigTestAccessController.php b/core/modules/config/tests/config_test/lib/Drupal/config_test/ConfigTestAccessController.php
index f084453..99a67bd 100644
--- a/core/modules/config/tests/config_test/lib/Drupal/config_test/ConfigTestAccessController.php
+++ b/core/modules/config/tests/config_test/lib/Drupal/config_test/ConfigTestAccessController.php
@@ -10,7 +10,6 @@
 use Drupal\Core\Session\AccountInterface;
 use Drupal\Core\Entity\EntityAccessController;
 use Drupal\Core\Entity\EntityInterface;
-use Drupal\Core\Language\Language;
 
 /**
  * Defines the access controller for the config_test entity type.
@@ -20,7 +19,7 @@ class ConfigTestAccessController extends EntityAccessController {
   /**
    * {@inheritdoc}
    */
-  public function access(EntityInterface $entity, $operation, $langcode = Language::LANGCODE_DEFAULT, AccountInterface $account = NULL) {
+  public function access(EntityInterface $entity, $operation, AccountInterface $account = NULL) {
     return TRUE;
   }
 
diff --git a/core/modules/contact/lib/Drupal/contact/CategoryAccessController.php b/core/modules/contact/lib/Drupal/contact/CategoryAccessController.php
index ba0bab7..5e69d8b 100644
--- a/core/modules/contact/lib/Drupal/contact/CategoryAccessController.php
+++ b/core/modules/contact/lib/Drupal/contact/CategoryAccessController.php
@@ -20,7 +20,7 @@ class CategoryAccessController extends EntityAccessController {
   /**
    * {@inheritdoc}
    */
-  public function checkAccess(EntityInterface $entity, $operation, $langcode, AccountInterface $account) {
+  public function checkAccess(EntityInterface $entity, $operation, AccountInterface $account) {
     if ($operation == 'delete' || $operation == 'update') {
       // Do not allow delete 'personal' category used for personal contact form.
       return user_access('administer contact forms', $account) && $entity->id() !== 'personal';
diff --git a/core/modules/entity/lib/Drupal/entity/EntityDisplayModeAccessController.php b/core/modules/entity/lib/Drupal/entity/EntityDisplayModeAccessController.php
index 92e8f42..d74eebc 100644
--- a/core/modules/entity/lib/Drupal/entity/EntityDisplayModeAccessController.php
+++ b/core/modules/entity/lib/Drupal/entity/EntityDisplayModeAccessController.php
@@ -19,7 +19,7 @@ class EntityDisplayModeAccessController extends EntityAccessController {
   /**
    * {@inheritdoc}
    */
-  protected function checkAccess(EntityInterface $entity, $operation, $langcode, AccountInterface $account) {
+  protected function checkAccess(EntityInterface $entity, $operation, AccountInterface $account) {
     if ($operation === 'view') {
       return TRUE;
     }
diff --git a/core/modules/filter/lib/Drupal/filter/FilterFormatAccessController.php b/core/modules/filter/lib/Drupal/filter/FilterFormatAccessController.php
index 0d49189..99a9dfb 100644
--- a/core/modules/filter/lib/Drupal/filter/FilterFormatAccessController.php
+++ b/core/modules/filter/lib/Drupal/filter/FilterFormatAccessController.php
@@ -19,7 +19,7 @@ class FilterFormatAccessController extends EntityAccessController {
   /**
    * {@inheritdoc}
    */
-  protected function checkAccess(EntityInterface $entity, $operation, $langcode, AccountInterface $account) {
+  protected function checkAccess(EntityInterface $entity, $operation, AccountInterface $account) {
     // Handle special cases up front. All users have access to the fallback
     // format.
     if ($entity->isFallbackFormat()) {
diff --git a/core/modules/image/lib/Drupal/image/ImageStyleAccessController.php b/core/modules/image/lib/Drupal/image/ImageStyleAccessController.php
index deb9123..f6f27bf 100644
--- a/core/modules/image/lib/Drupal/image/ImageStyleAccessController.php
+++ b/core/modules/image/lib/Drupal/image/ImageStyleAccessController.php
@@ -21,7 +21,7 @@ class ImageStyleAccessController extends EntityAccessController {
   /**
    * {@inheritdoc}
    */
-  public function checkAccess(EntityInterface $entity, $operation, $langcode, AccountInterface $account) {
+  public function checkAccess(EntityInterface $entity, $operation, AccountInterface $account) {
     switch ($operation) {
       case 'create':
       case 'update':
diff --git a/core/modules/language/lib/Drupal/language/LanguageAccessController.php b/core/modules/language/lib/Drupal/language/LanguageAccessController.php
index 1609dd0..a8469b3 100644
--- a/core/modules/language/lib/Drupal/language/LanguageAccessController.php
+++ b/core/modules/language/lib/Drupal/language/LanguageAccessController.php
@@ -9,7 +9,6 @@
 
 use Drupal\Core\Entity\EntityAccessController;
 use Drupal\Core\Entity\EntityInterface;
-use Drupal\Core\Language\Language;
 use Drupal\Core\Session\AccountInterface;
 
 class LanguageAccessController extends EntityAccessController {
@@ -17,7 +16,7 @@ class LanguageAccessController extends EntityAccessController {
   /**
    * {@inheritdoc}
    */
-  public function access(EntityInterface $entity, $operation, $langcode = Language::LANGCODE_DEFAULT, AccountInterface $account = NULL) {
+  public function access(EntityInterface $entity, $operation, AccountInterface $account = NULL) {
     switch ($operation) {
       case 'update':
       case 'delete':
diff --git a/core/modules/menu_link/lib/Drupal/menu_link/MenuLinkAccessController.php b/core/modules/menu_link/lib/Drupal/menu_link/MenuLinkAccessController.php
index a1c2c69..af96f98 100644
--- a/core/modules/menu_link/lib/Drupal/menu_link/MenuLinkAccessController.php
+++ b/core/modules/menu_link/lib/Drupal/menu_link/MenuLinkAccessController.php
@@ -21,7 +21,7 @@ class MenuLinkAccessController extends EntityAccessController {
   /**
    * {@inheritdoc}
    */
-  protected function checkAccess(EntityInterface $entity, $operation, $langcode, AccountInterface $account) {
+  protected function checkAccess(EntityInterface $entity, $operation, AccountInterface $account) {
     $access = $account->hasPermission('administer menu');
     if ($access) {
       switch ($operation) {
diff --git a/core/modules/node/lib/Drupal/node/Access/NodeRevisionAccessCheck.php b/core/modules/node/lib/Drupal/node/Access/NodeRevisionAccessCheck.php
index c44e1f6..52866d4 100644
--- a/core/modules/node/lib/Drupal/node/Access/NodeRevisionAccessCheck.php
+++ b/core/modules/node/lib/Drupal/node/Access/NodeRevisionAccessCheck.php
@@ -158,7 +158,7 @@ public function checkAccess(NodeInterface $node, $op = 'view', AccountInterface
       else {
         // First check the access to the default revision and finally, if the
         // node passed in is not the default revision then access to that, too.
-        $this->access[$cid] = $this->nodeAccess->access($this->nodeStorage->load($node->id()), $op, $langcode, $account) && ($node->isDefaultRevision() || $this->nodeAccess->access($node, $op, $langcode, $account));
+        $this->access[$cid] = $this->nodeAccess->access($this->nodeStorage->load($node->id()), $op, $langcode, $account) && ($node->isDefaultRevision() || $this->nodeAccess->access($node, $op, $account));
       }
     }
 
diff --git a/core/modules/node/lib/Drupal/node/Entity/Node.php b/core/modules/node/lib/Drupal/node/Entity/Node.php
index 9071cac..9a03182 100644
--- a/core/modules/node/lib/Drupal/node/Entity/Node.php
+++ b/core/modules/node/lib/Drupal/node/Entity/Node.php
@@ -156,33 +156,12 @@ public function access($operation = 'view', AccountInterface $account = NULL) {
 
     return \Drupal::entityManager()
       ->getAccessController($this->entityType)
-      ->access($this, $operation, $this->prepareLangcode(), $account);
+      ->access($this, $operation, $account);
   }
 
   /**
    * {@inheritdoc}
    */
-  public function prepareLangcode() {
-    $langcode = $this->language()->id;
-    // If the Language module is enabled, try to use the language from content
-    // negotiation.
-    if (\Drupal::moduleHandler()->moduleExists('language')) {
-      // Load languages the node exists in.
-      $node_translations = $this->getTranslationLanguages();
-      // Load the language from content negotiation.
-      $content_negotiation_langcode = \Drupal::languageManager()->getLanguage(Language::TYPE_CONTENT)->id;
-      // If there is a translation available, use it.
-      if (isset($node_translations[$content_negotiation_langcode])) {
-        $langcode = $content_negotiation_langcode;
-      }
-    }
-    return $langcode;
-  }
-
-
-  /**
-   * {@inheritdoc}
-   */
   public function getTitle() {
     return $this->get('title')->value;
   }
diff --git a/core/modules/node/lib/Drupal/node/NodeAccessController.php b/core/modules/node/lib/Drupal/node/NodeAccessController.php
index 9b5a403..b064c15 100644
--- a/core/modules/node/lib/Drupal/node/NodeAccessController.php
+++ b/core/modules/node/lib/Drupal/node/NodeAccessController.php
@@ -57,14 +57,14 @@ public static function createInstance(ContainerInterface $container, $entity_typ
   /**
    * {@inheritdoc}
    */
-  public function access(EntityInterface $entity, $operation, $langcode = Language::LANGCODE_DEFAULT, AccountInterface $account = NULL) {
+  public function access(EntityInterface $entity, $operation, AccountInterface $account = NULL) {
     if (user_access('bypass node access', $account)) {
       return TRUE;
     }
     if (!user_access('access content', $account)) {
       return FALSE;
     }
-    return parent::access($entity, $operation, $langcode, $account);
+    return parent::access($entity, $operation, $account);
   }
 
   /**
@@ -86,10 +86,10 @@ public function createAccess($entity_bundle = NULL, AccountInterface $account =
   /**
    * {@inheritdoc}
    */
-  protected function checkAccess(EntityInterface $node, $operation, $langcode, AccountInterface $account) {
+  protected function checkAccess(EntityInterface $node, $operation, AccountInterface $account) {
     // Fetch information from the node object if possible.
-    $status = $node->getTranslation($langcode)->isPublished();
-    $uid = $node->getTranslation($langcode)->getAuthorId();
+    $status = $node->isPublished();
+    $uid = $node->getAuthorId();
 
     // Check if authors can view their own unpublished nodes.
     if ($operation === 'view' && !$status && user_access('view own unpublished content', $account)) {
@@ -101,7 +101,7 @@ protected function checkAccess(EntityInterface $node, $operation, $langcode, Acc
 
     // If no module specified either allow or deny, we fall back to the
     // node_access table.
-    if (($grants = $this->grantStorage->access($node, $operation, $langcode, $account)) !== NULL) {
+    if (($grants = $this->grantStorage->access($node, $operation, $account)) !== NULL) {
       return $grants;
     }
 
diff --git a/core/modules/node/lib/Drupal/node/NodeGrantDatabaseStorage.php b/core/modules/node/lib/Drupal/node/NodeGrantDatabaseStorage.php
index fba9847..66ee75e 100644
--- a/core/modules/node/lib/Drupal/node/NodeGrantDatabaseStorage.php
+++ b/core/modules/node/lib/Drupal/node/NodeGrantDatabaseStorage.php
@@ -53,7 +53,7 @@ public function __construct(Connection $database, ModuleHandlerInterface $module
   /**
    * {@inheritdoc}
    */
-  public function access(EntityInterface $node, $operation, $langcode, AccountInterface $account) {
+  public function access(EntityInterface $node, $operation, AccountInterface $account) {
     // If no module implements the hook or the node does not have an id there is
     // no point in querying the database for access grants.
     if (!$this->moduleHandler->getImplementations('node_grants') || !$node->id()) {
@@ -68,7 +68,7 @@ public function access(EntityInterface $node, $operation, $langcode, AccountInte
     // Check for grants for this node and the correct langcode.
     $nids = $query->andConditionGroup()
       ->condition('nid', $node->id())
-      ->condition('langcode', $langcode);
+      ->condition('langcode', $node->language()->id);
     // If the node is published, also take the default grant into account. The
     // default is saved with a node ID of 0.
     $status = $node->isPublished();
diff --git a/core/modules/node/lib/Drupal/node/NodeGrantDatabaseStorageInterface.php b/core/modules/node/lib/Drupal/node/NodeGrantDatabaseStorageInterface.php
index 2457b8f..3453a26 100644
--- a/core/modules/node/lib/Drupal/node/NodeGrantDatabaseStorageInterface.php
+++ b/core/modules/node/lib/Drupal/node/NodeGrantDatabaseStorageInterface.php
@@ -101,8 +101,6 @@ public function writeDefault();
    * @param string $operation
    *   The entity operation. Usually one of 'view', 'edit', 'create' or
    *   'delete'.
-   * @param string $langcode
-   *   The language code for which to check access.
    * @param \Drupal\Core\Session\AccountInterface $account
    *   The user for which to check access.
    *
@@ -111,7 +109,7 @@ public function writeDefault();
    *   module implements hook_node_grants(), the node does not (yet) have an id
    *   or none of the implementing modules explicitly granted or denied access.
    */
-  public function access(EntityInterface $node, $operation, $langcode, AccountInterface $account);
+  public function access(EntityInterface $node, $operation, AccountInterface $account);
 
   /**
    * Counts available node grants.
diff --git a/core/modules/node/lib/Drupal/node/NodeInterface.php b/core/modules/node/lib/Drupal/node/NodeInterface.php
index 34f7274..12d334b 100644
--- a/core/modules/node/lib/Drupal/node/NodeInterface.php
+++ b/core/modules/node/lib/Drupal/node/NodeInterface.php
@@ -187,12 +187,4 @@ public function getRevisionAuthor();
    */
   public function setRevisionAuthorId($uid);
 
-  /**
-   * Prepares the langcode for a node.
-   *
-   * @return string
-   *   The langcode for this node.
-   */
-  public function prepareLangcode();
-
 }
diff --git a/core/modules/node/lib/Drupal/node/NodeTypeAccessController.php b/core/modules/node/lib/Drupal/node/NodeTypeAccessController.php
index b7133bd..23816ed 100644
--- a/core/modules/node/lib/Drupal/node/NodeTypeAccessController.php
+++ b/core/modules/node/lib/Drupal/node/NodeTypeAccessController.php
@@ -21,7 +21,7 @@ class NodeTypeAccessController extends EntityAccessController {
   /**
    * {@inheritdoc}
    */
-  protected function checkAccess(EntityInterface $entity, $operation, $langcode, AccountInterface $account) {
+  protected function checkAccess(EntityInterface $entity, $operation, AccountInterface $account) {
     if ($operation == 'delete' && $entity->isLocked()) {
       return FALSE;
     }
diff --git a/core/modules/node/node.api.php b/core/modules/node/node.api.php
index 59d27b5..0adcb80 100644
--- a/core/modules/node/node.api.php
+++ b/core/modules/node/node.api.php
@@ -550,8 +550,6 @@ function hook_node_load($nodes, $types) {
  *   - "view"
  * @param object $account
  *   The user object to perform the access check operation on.
- * @param object $langcode
- *   The language code to perform the access check operation on.
  *
  * @return string
  *   - NODE_ACCESS_ALLOW: if the operation is to be allowed.
@@ -560,7 +558,7 @@ function hook_node_load($nodes, $types) {
  *
  * @ingroup node_access
  */
-function hook_node_access(\Drupal\node\NodeInterface $node, $op, $account, $langcode) {
+function hook_node_access(\Drupal\node\NodeInterface $node, $op, $account) {
   $type = is_string($node) ? $node : $node->getType();
 
   $configured_types = node_permissions_get_configured_types();
diff --git a/core/modules/node/node.module b/core/modules/node/node.module
index cf31cc4..772194e 100644
--- a/core/modules/node/node.module
+++ b/core/modules/node/node.module
@@ -1629,7 +1629,7 @@ function node_access($op, $node, $account = NULL, $langcode = NULL) {
   if (empty($langcode)) {
     $langcode = $node->prepareLangcode();
   }
-  return $access_controller->access($node, $op, $langcode, $account);
+  return $access_controller->access($node->getTranslation($langcode), $op, $account);
 }
 
 /**
diff --git a/core/modules/node/tests/modules/node_access_test/node_access_test.module b/core/modules/node/tests/modules/node_access_test/node_access_test.module
index 793c595..f7eebb0 100644
--- a/core/modules/node/tests/modules/node_access_test/node_access_test.module
+++ b/core/modules/node/tests/modules/node_access_test/node_access_test.module
@@ -153,9 +153,9 @@ function _node_access_test_node_write(EntityInterface $node) {
 /**
  * Implements hook_node_access().
  */
-function node_access_test_node_access($node, $op, $account, $langcode) {
+function node_access_test_node_access($node, $op, $account) {
   $secret_catalan = \Drupal::state()->get('node_access_test_secret_catalan') ?: 0;
-  if ($secret_catalan && $langcode == 'ca') {
+  if ($secret_catalan && $node->language()->id == 'ca') {
     // Make all Catalan content secret.
     return NODE_ACCESS_DENY;
   }
diff --git a/core/modules/overlay/overlay.module b/core/modules/overlay/overlay.module
index b6194a8..0dc6214 100644
--- a/core/modules/overlay/overlay.module
+++ b/core/modules/overlay/overlay.module
@@ -300,7 +300,7 @@ function template_preprocess_overlay_disable_message(&$variables) {
 /**
  * Implements hook_block_access().
  */
-function overlay_block_access(Block $block, $operation, AccountInterface $account, $langcode) {
+function overlay_block_access(Block $block, $operation, AccountInterface $account) {
   // If we are limiting rendering to a subset of page regions, hide all blocks
   // which appear in regions not on that list. Note that overlay_page_alter()
   // does a more comprehensive job of preventing unwanted regions from being
diff --git a/core/modules/picture/lib/Drupal/picture/PictureMappingAccessController.php b/core/modules/picture/lib/Drupal/picture/PictureMappingAccessController.php
index 281bcee..1c32fcf 100644
--- a/core/modules/picture/lib/Drupal/picture/PictureMappingAccessController.php
+++ b/core/modules/picture/lib/Drupal/picture/PictureMappingAccessController.php
@@ -19,7 +19,7 @@ class PictureMappingAccessController extends EntityAccessController {
   /**
    * {@inheritdoc}
    */
-  protected function checkAccess(EntityInterface $entity, $operation, $langcode, AccountInterface $account) {
+  protected function checkAccess(EntityInterface $entity, $operation, AccountInterface $account) {
     if ($operation === 'view') {
       return TRUE;
     }
diff --git a/core/modules/shortcut/lib/Drupal/shortcut/ShortcutSetAccessController.php b/core/modules/shortcut/lib/Drupal/shortcut/ShortcutSetAccessController.php
index c60d52a..784ccc6 100644
--- a/core/modules/shortcut/lib/Drupal/shortcut/ShortcutSetAccessController.php
+++ b/core/modules/shortcut/lib/Drupal/shortcut/ShortcutSetAccessController.php
@@ -19,7 +19,7 @@ class ShortcutSetAccessController extends EntityAccessController {
   /**
    * {@inheritdoc}
    */
-  protected function checkAccess(EntityInterface $entity, $operation, $langcode, AccountInterface $account) {
+  protected function checkAccess(EntityInterface $entity, $operation, AccountInterface $account) {
     switch ($operation) {
       case 'update':
         if ($account->hasPermission('administer shortcuts')) {
diff --git a/core/modules/system/entity.api.php b/core/modules/system/entity.api.php
index 8c2c240..b4a2df7 100644
--- a/core/modules/system/entity.api.php
+++ b/core/modules/system/entity.api.php
@@ -19,8 +19,6 @@
  *   The operation that is to be performed on $entity.
  * @param \Drupal\Core\Session\AccountInterface $account
  *    The account trying to access the entity.
- * @param string $langcode
- *    The code of the language $entity is accessed in.
  *
  * @return bool|null
  *   A boolean to explicitly allow or deny access, or NULL to neither allow nor
@@ -28,7 +26,7 @@
  *
  * @see \Drupal\Core\Entity\EntityAccessController
  */
-function hook_entity_access(\Drupal\Core\Entity\EntityInterface $entity, $operation, \Drupal\Core\Session\AccountInterface $account, $langcode) {
+function hook_entity_access(\Drupal\Core\Entity\EntityInterface $entity, $operation, \Drupal\Core\Session\AccountInterface $account) {
   return NULL;
 }
 
@@ -41,8 +39,6 @@ function hook_entity_access(\Drupal\Core\Entity\EntityInterface $entity, $operat
  *   The operation that is to be performed on $entity.
  * @param \Drupal\Core\Session\AccountInterface $account
  *    The account trying to access the entity.
- * @param string $langcode
- *    The code of the language $entity is accessed in.
  *
  * @return bool|null
  *   A boolean to explicitly allow or deny access, or NULL to neither allow nor
@@ -50,7 +46,7 @@ function hook_entity_access(\Drupal\Core\Entity\EntityInterface $entity, $operat
  *
  * @see \Drupal\Core\Entity\EntityAccessController
  */
-function hook_ENTITY_TYPE_access(\Drupal\Core\Entity\EntityInterface $entity, $operation, \Drupal\Core\Session\AccountInterface $account, $langcode) {
+function hook_ENTITY_TYPE_access(\Drupal\Core\Entity\EntityInterface $entity, $operation, \Drupal\Core\Session\AccountInterface $account) {
   return NULL;
 }
 
@@ -59,8 +55,6 @@ function hook_ENTITY_TYPE_access(\Drupal\Core\Entity\EntityInterface $entity, $o
  *
  * @param \Drupal\Core\Session\AccountInterface $account
  *    The account trying to access the entity.
- * @param string $langcode
- *    The code of the language $entity is accessed in.
  *
  * @return bool|null
  *   A boolean to explicitly allow or deny access, or NULL to neither allow nor
@@ -68,7 +62,7 @@ function hook_ENTITY_TYPE_access(\Drupal\Core\Entity\EntityInterface $entity, $o
  *
  * @see \Drupal\Core\Entity\EntityAccessController
  */
-function hook_entity_create_access(\Drupal\Core\Session\AccountInterface $account, $langcode) {
+function hook_entity_create_access(\Drupal\Core\Session\AccountInterface $account) {
   return NULL;
 }
 
@@ -77,8 +71,6 @@ function hook_entity_create_access(\Drupal\Core\Session\AccountInterface $accoun
  *
  * @param \Drupal\Core\Session\AccountInterface $account
  *    The account trying to access the entity.
- * @param string $langcode
- *    The code of the language $entity is accessed in.
  *
  * @return bool|null
  *   A boolean to explicitly allow or deny access, or NULL to neither allow nor
@@ -86,7 +78,7 @@ function hook_entity_create_access(\Drupal\Core\Session\AccountInterface $accoun
  *
  * @see \Drupal\Core\Entity\EntityAccessController
  */
-function hook_ENTITY_TYPE_create_access(\Drupal\Core\Session\AccountInterface $account, $langcode) {
+function hook_ENTITY_TYPE_create_access(\Drupal\Core\Session\AccountInterface $account) {
   return NULL;
 }
 
diff --git a/core/modules/system/lib/Drupal/system/DateFormatAccessController.php b/core/modules/system/lib/Drupal/system/DateFormatAccessController.php
index 9608271..0b772ef 100644
--- a/core/modules/system/lib/Drupal/system/DateFormatAccessController.php
+++ b/core/modules/system/lib/Drupal/system/DateFormatAccessController.php
@@ -19,7 +19,7 @@ class DateFormatAccessController extends EntityAccessController {
   /**
    * {@inheritdoc}
    */
-  protected function checkAccess(EntityInterface $entity, $operation, $langcode, AccountInterface $account) {
+  protected function checkAccess(EntityInterface $entity, $operation, AccountInterface $account) {
     // There are no restrictions on viewing a date format.
     if ($operation == 'view') {
       return TRUE;
diff --git a/core/modules/system/lib/Drupal/system/MenuAccessController.php b/core/modules/system/lib/Drupal/system/MenuAccessController.php
index b6e7f7a..a3fa312 100644
--- a/core/modules/system/lib/Drupal/system/MenuAccessController.php
+++ b/core/modules/system/lib/Drupal/system/MenuAccessController.php
@@ -19,7 +19,7 @@ class MenuAccessController extends EntityAccessController {
   /**
    * {@inheritdoc}
    */
-  protected function checkAccess(EntityInterface $entity, $operation, $langcode, AccountInterface $account) {
+  protected function checkAccess(EntityInterface $entity, $operation, AccountInterface $account) {
     if ($operation === 'view') {
       return TRUE;
     }
diff --git a/core/modules/system/tests/modules/entity_test/lib/Drupal/entity_test/EntityTestAccessController.php b/core/modules/system/tests/modules/entity_test/lib/Drupal/entity_test/EntityTestAccessController.php
index 034caa3..6a122b4 100644
--- a/core/modules/system/tests/modules/entity_test/lib/Drupal/entity_test/EntityTestAccessController.php
+++ b/core/modules/system/tests/modules/entity_test/lib/Drupal/entity_test/EntityTestAccessController.php
@@ -20,9 +20,9 @@ class EntityTestAccessController extends EntityAccessController {
   /**
    * {@inheritdoc}
    */
-  protected function checkAccess(EntityInterface $entity, $operation, $langcode, AccountInterface $account) {
+  protected function checkAccess(EntityInterface $entity, $operation, AccountInterface $account) {
     if ($operation === 'view') {
-      if ($langcode != Language::LANGCODE_DEFAULT) {
+      if ($entity->language()->id != Language::LANGCODE_DEFAULT) {
         return user_access('view test entity translations', $account);
       }
       return user_access('view test entity', $account);
diff --git a/core/modules/taxonomy/lib/Drupal/taxonomy/TermAccessController.php b/core/modules/taxonomy/lib/Drupal/taxonomy/TermAccessController.php
index ca98dbb..68bdf82 100644
--- a/core/modules/taxonomy/lib/Drupal/taxonomy/TermAccessController.php
+++ b/core/modules/taxonomy/lib/Drupal/taxonomy/TermAccessController.php
@@ -21,7 +21,7 @@ class TermAccessController extends EntityAccessController {
   /**
    * {@inheritdoc}
    */
-  protected function checkAccess(EntityInterface $entity, $operation, $langcode, AccountInterface $account) {
+  protected function checkAccess(EntityInterface $entity, $operation, AccountInterface $account) {
     switch ($operation) {
       case 'view':
         return $account->hasPermission('access content');
diff --git a/core/modules/taxonomy/lib/Drupal/taxonomy/VocabularyAccessController.php b/core/modules/taxonomy/lib/Drupal/taxonomy/VocabularyAccessController.php
index 56b92ed..5e31373 100644
--- a/core/modules/taxonomy/lib/Drupal/taxonomy/VocabularyAccessController.php
+++ b/core/modules/taxonomy/lib/Drupal/taxonomy/VocabularyAccessController.php
@@ -21,7 +21,7 @@ class VocabularyAccessController extends EntityAccessController {
   /**
    * {@inheritdoc}
    */
-  protected function checkAccess(EntityInterface $entity, $operation, $langcode, AccountInterface $account) {
+  protected function checkAccess(EntityInterface $entity, $operation, AccountInterface $account) {
     return $account->hasPermission('administer taxonomy');
   }
 
diff --git a/core/modules/user/lib/Drupal/user/RoleAccessController.php b/core/modules/user/lib/Drupal/user/RoleAccessController.php
index e98c540..67b51d2 100644
--- a/core/modules/user/lib/Drupal/user/RoleAccessController.php
+++ b/core/modules/user/lib/Drupal/user/RoleAccessController.php
@@ -19,7 +19,7 @@ class RoleAccessController extends EntityAccessController {
   /**
    * {@inheritdoc}
    */
-  protected function checkAccess(EntityInterface $entity, $operation, $langcode, AccountInterface $account) {
+  protected function checkAccess(EntityInterface $entity, $operation, AccountInterface $account) {
     switch ($operation) {
       case 'delete':
         if ($entity->id() == DRUPAL_ANONYMOUS_RID || $entity->id() == DRUPAL_AUTHENTICATED_RID) {
diff --git a/core/modules/user/lib/Drupal/user/UserAccessController.php b/core/modules/user/lib/Drupal/user/UserAccessController.php
index e6f6ed6..41191a2 100644
--- a/core/modules/user/lib/Drupal/user/UserAccessController.php
+++ b/core/modules/user/lib/Drupal/user/UserAccessController.php
@@ -19,10 +19,10 @@ class UserAccessController extends EntityAccessController {
   /**
    * {@inheritdoc}
    */
-  protected function checkAccess(EntityInterface $entity, $operation, $langcode, AccountInterface $account) {
+  protected function checkAccess(EntityInterface $entity, $operation, AccountInterface $account) {
     switch ($operation) {
       case 'view':
-        return $this->viewAccess($entity, $langcode, $account);
+        return $this->viewAccess($entity, $account);
         break;
 
       case 'update':
@@ -52,7 +52,7 @@ protected function checkCreateAccess(AccountInterface $account, array $context,
    *
    * See EntityAccessControllerInterface::view() for parameters.
    */
-  protected function viewAccess(EntityInterface $entity, $langcode, AccountInterface $account) {
+  protected function viewAccess(EntityInterface $entity, AccountInterface $account) {
     // Never allow access to view the anonymous user account.
     if ($entity->id()) {
       // Admins can view all, users can view own profiles at all times.
diff --git a/core/modules/views/lib/Drupal/views/ViewAccessController.php b/core/modules/views/lib/Drupal/views/ViewAccessController.php
index 80ad8a9..4a85402 100644
--- a/core/modules/views/lib/Drupal/views/ViewAccessController.php
+++ b/core/modules/views/lib/Drupal/views/ViewAccessController.php
@@ -9,7 +9,6 @@
 
 use Drupal\Core\Entity\EntityAccessController;
 use Drupal\Core\Entity\EntityInterface;
-use Drupal\Core\Language\Language;
 use Drupal\Core\Session\AccountInterface;
 
 /**
@@ -20,7 +19,7 @@ class ViewAccessController extends EntityAccessController {
   /**
    * {@inheritdoc}
    */
-  public function access(EntityInterface $entity, $operation, $langcode = Language::LANGCODE_DEFAULT, AccountInterface $account = NULL) {
+  public function access(EntityInterface $entity, $operation, AccountInterface $account = NULL) {
     return $operation == 'view' || user_access('administer views', $account);
   }